Home / 4,087,357.60-6,131,036.40-1,247,465.20

Finding the Fourth Proportional to 4,087,357.60, 6,131,036.40 and 1,247,465.20

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Solution

The fourth proportional to 4,087,357.60, 6,131,036.40 and 1,247,465.20 is: 1,871,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,357.60 : 6,131,036.40 = 1,247,465.20 : x
  2. Step 2: Convert to fraction form
    4,087,357.60/6,131,036.40 = 1,247,465.20/x
  3. Step 3: Cross multiply
    4,087,357.60x = 6,131,036.40 × 1,247,465.20
  4. Step 4: Simplify right side
    4,087,357.60x = 7,648,254,548,933.28
  5. Step 5: Solve for x
    x = 7,648,254,548,933.28/4,087,357.60
  6. Step 6: Final answer
    x = 1,871,197.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.